CONTENTS 



mi 



CHAPTER XLVII.— ORDER OF TROUT AND SALMON 



Page 



Salmon Family 396 



Subdivision of North American Trouts and 

 Charrs ....... 397 



North American Trout 

 The Salmon Group 

 American Salmon 



Page 

 ISOSPONDYLI 396 



. 397 

 . 400 

 . 400 



CHAPTER XLVIII.— ORDER OF FLYING-FISHES 

 CHAPTER XLIX.— ORDER OF SOLID-JAW FISHES . 

 CHAPTER L— ORDER OF SUCKERS AND MINNOWS 

 CHAPTER LI.— ORDER OF HALF-GILLED FISHES 

 CHAPTER LIL— ORDER OF CATFISHES .... 



CHAPTER LIII.— ORDER OF FLAT-FISHES .... 

 CHAPTER LIV.— ORDER OF FOOT-FISHES .... 



CHAPTER LV.— ORDER OF EELS 



CHAPTER LVI— ORDER OF PIPE-FISHES AND SEA-HORSES 



CHAPTER LVIL— ORDER OF THE DOGFISH 



CHAPTER LVIIL— ORDER OF GAR-FISHES, OR GANOIDS . 



CHAPTER LIX.— ORDER OF STURGEONS GLANIOSTOMI 427 



CHAPTER LX.— ORDER OF THE PADDLE-FISH .... SELACHOSTOMI 429 

 CHAPTER LXL— ORDER OF THE CHIMERAS . . . CHIMAEROIDEI 431 



CHAPTER LXIL— ORDER OF SHARKS SQUALI 432 



CHAPTER LXIII.— ORDER OF RAYS AND SKATES RAIAE 434 



SYNENTOGNATHI 409 



. PLECTOGNATHI 410 



PLECTOSPONDYLI 412 



. HEMIBRANCHII 415 



NEMATOGNATHI 416 



HETEROSOMATA 418 



PEDICULATI 420 



APODES 421 



. LOPHOBRANCHI 423 



HALECOMORPHI 424 



GINGLYMODI 425 



CHAPTER LXIV.— LOWEST CLASSES OF VERTEBRATES 

 Lampreys 437 I Lancelets . 



437 

 438 



